Patents by Inventor Chang-Jun Lee

Chang-Jun Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230406812
    Abstract: The present invention provides a novel aminoaromatic compound or a pharmaceutically acceptable salt thereof, a pharmaceutical composition that is for preventing or treating neurodegenerative diseases and comprises same as an active ingredient, and a health functional food composition for preventing or ameliorating neurodegenerative diseases.
    Type: Application
    Filed: November 12, 2021
    Publication date: December 21, 2023
    Inventors: Chang Jun LEE, Heejung CHUN, Woojin WON, Ki Duk PARK, Jong Hyun PARK, Ae Nim PAE, Ji Won CHOI, Elijah LEE, Sun Jun PARK, Hyeon Jeong KIM, Yoowon KIM, Byung Eun KIM, Siwon KIM
  • Patent number: 11848626
    Abstract: A body-attachable triboelectric generating device includes a negatively electrified body including an upper electrified layer and a lower electrified layer adhered to the upper electrified layer; and an electrode layer provided between the upper electrified layer and the lower electrified layer. An engraved pattern, serving as a spacer, is formed on one surface of each of the upper and lower electrified layer in contact with the electrode layer.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 19, 2023
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Da Eun Kim, Chang Jun Lee
  • Publication number: 20230093216
    Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 23, 2023
    Applicant: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
  • Patent number: 11588109
    Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: February 21, 2023
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Tae Hyung Kim, HoCheol Park, Young Bae Kim, Chang Jun Lee, Eunjung Lee, Youngmi Beak
  • Publication number: 20220336753
    Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.
    Type: Application
    Filed: January 31, 2022
    Publication date: October 20, 2022
    Applicant: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
  • Patent number: 11456422
    Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 27, 2022
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Tae Hyung Kim, In Hyuk Lee, Yong Hwan Lee, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Eun Jung Lee, Young Mi Beak
  • Patent number: 11014201
    Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: May 25, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Dong Yang Piston Co., Ltd.
    Inventors: Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Young Je Lee, Tae Min Lee, Yong Woo Choi, Chang Jun Lee
  • Patent number: 10868478
    Abstract: A wearable energy generating apparatus includes a flexible substrate, and a flexible electrode part having a first electrode attached to one surface of the flexible substrate, and coated with a negatively charged material, and a second electrode attached to one surface of the flexible substrate, and spaced apart from the first electrode by a predetermined interval. The negatively charged material coated on a surface of the first electrode may directly contact a human body that is a positively charged object, and the second electrode may directly contact the skin of the human body.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: December 15, 2020
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Chang Jun Lee, A Young Choi, Do Gyun Kim, Ji Won Park
  • Patent number: 10707912
    Abstract: Provided are a mobile electronic apparatus, an accessory device for the mobile electronic apparatus, and an electronic apparatus including the accessory device. The mobile electronic apparatus includes: a display unit including a display screen; a cover detector detecting identification (ID) information of a cover when the display screen is covered by the cover; and a processor displaying a user interface (UI) screen corresponding to the cover on the display screen by driving a program corresponding to the ID information of the cover when receiving the ID information of the cover.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Kim, Eun-young Cho, Mi-jeong Song, Sang-hun Lee, Sung-hwan Park, Chang-jun Lee
  • Patent number: 10680536
    Abstract: A fibrous energy harvesting device having a corrugated structure includes a first fiber layer acting as an electrified body for generation of triboelectric energy, and a second fiber layer acting as an electrified body for generation of triboelectric energy. The first fiber layer is attached to an upper surface of the second fiber layer and has a corrugated structure.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: June 9, 2020
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, A Young Choi, Chang Jun Lee, Ji Won Park, Do Gyun Kim
  • Publication number: 20200152886
    Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 14, 2020
    Applicant: DOOSAN CORPORATION
    Inventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
  • Patent number: 10573822
    Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: February 25, 2020
    Assignee: DOOSAN CORPORATION
    Inventors: Tae Hyung Kim, HoCheol Park, Young Bae Kim, Chang Jun Lee, Eunjung Lee, Youngmi Beak
  • Publication number: 20190184502
    Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.
    Type: Application
    Filed: July 18, 2018
    Publication date: June 20, 2019
    Inventors: Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Young Je Lee, Tae Min Lee, Yong Woo Choi, Chang Jun Lee
  • Publication number: 20190157567
    Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.
    Type: Application
    Filed: January 18, 2019
    Publication date: May 23, 2019
    Applicant: DOOSAN CORPORATION
    Inventors: Tae Hyung KIM, In Hyuk LEE, Yong Hwan LEE, Jin Yong SHIN, Ho Cheol PARK, Chang Jun LEE, Eun Jung LEE, Young Mi BEAK
  • Patent number: 10297759
    Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: May 21, 2019
    Assignee: DOOSAN CORPORATION
    Inventors: Tae Hyung Kim, In Hyuk Lee, Yong Hwan Lee, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Eun Jung Lee, Young Mi Beak
  • Patent number: 10236451
    Abstract: Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: March 19, 2019
    Assignee: DOOSAN CORPORATION
    Inventors: Hyung Chan Bae, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Young Shin
  • Patent number: 10230053
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode opposite the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an electron control layer, wherein the hole transport region includes at least one compound selected from a first compound represented by Formula 1 and a second compound represented by Formula 2, and the electron control layer includes a third compound represented by Formula 3:
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: March 12, 2019
    Assignees: Samsung Display Co., Ltd., Doosan Corporation
    Inventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Sang-Woo Lee, Chang-Woong Chu, Tae-Hyung Kim, Ho-Cheol Park, Chang-Jun Lee, Young-Bae Kim, Hoe-Moon Kim
  • Patent number: 10038146
    Abstract: The present invention relates to a novel indole-based compound having superior hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the indole-based compound in one or more organic layers thereof so as to thereby achieve improved characteristics, such as light-emitting efficiency, driving voltage, and lifespan characteristics.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: July 31, 2018
    Assignee: DOOSAN CORPORATION
    Inventors: Hoe Moon Kim, Sung Moo Kim, Young Bae Kim, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Young Mi Baek, Jin Yong Shin
  • Patent number: 10008675
    Abstract: The present disclosure relates to a novel compound and an organic electroluminescent element including the same, and the compound according to the present disclosure is used for an organic material layer of the organic electroluminescent element, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent element.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: June 26, 2018
    Assignee: DOOSAN CORPORATION
    Inventors: Young Bae Kim, Hyunjong Jo, Chang Jun Lee, Jinyong Shin, Hoe Moon Kim, Youngmi Beak, Tae Hyung Kim
  • Publication number: 20180123482
    Abstract: A fibrous energy harvesting device having a corrugated structure includes a first fiber layer acting as an electrified body for generation of triboelectric energy, and a second fiber layer acting as an electrified body for generation of triboelectric energy. The first fiber layer is attached to an upper surface of the second fiber layer and has a corrugated structure.
    Type: Application
    Filed: June 15, 2017
    Publication date: May 3, 2018
    Inventors: Youn Tae KIM, A Young CHOI, Chang Jun LEE, Ji Won PARK, Do Gyun KIM